Crude Oil Drops Below $94 a Barrel

Worries about the health of the global economy and gains for the U.S. dollar sent crude oil futures lower Thursday in New York.

Light, sweet crude for November delivery dropped $4.56 to $93.97 a barrel on the New York Mercantile Exchange, and Brent crude fell $4.77 to $90.56 a barrel.

Reformulated gasoline futures declined by 11 cents to $2.26 a gallon, and heating oil slid 14 cents to $2.71 a gallon.

Among stocks, integrated oil and gas companies Exxon Mobil (XOM Quote - Cramer on XOM - Stock Picks), Chevron (CVX Quote - Cramer on CVX - Stock Picks) and ConocoPhillips (COP Quote - Cramer on COP - Stock Picks) all saw their shares fall.

Refiners Valero (VLO Quote - Cramer on VLO - Stock Picks) and Tesoro (TSO Quote - Cramer on TSO - Stock Picks) gave back more than 11% each. Services names Halliburton (HAL Quote - Cramer on HAL - Stock Picks) and Schlumberger (SLB Quote - Cramer on SLB - Stock Picks) also declined.

The U.S. Oil (USO Quote - Cramer on USO - Stock Picks) ETF, which tracks crude prices, slid 4.7%.